I offer a service will make you feel comfortable with. I work with almost any type of file format. I do ETL, data processing and data analysis of big dataset for business and govs. I work with Excel, Python, R, Data Studio, Power BI, VBA, PowerShell, SQL, R or Python languages. I can extract, transform and load to warehouse any daya. Seven Phases ETL. Statistics over data. Segmentation. Reliable and effective service. Online collaboration tools. Personalized service.